CN208751928U - A kind of gas sampling device - Google Patents
A kind of gas sampling device Download PDFInfo
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- CN208751928U CN208751928U CN201821308968.0U CN201821308968U CN208751928U CN 208751928 U CN208751928 U CN 208751928U CN 201821308968 U CN201821308968 U CN 201821308968U CN 208751928 U CN208751928 U CN 208751928U
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- gas
- enriching apparatus
- air extraction
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- setting
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Abstract
The utility model discloses a kind of gas sampling devices, include gas-collecting structure gas enriching apparatus and air extraction structure；The gas outlet of the gas-collecting structure and the air inlet of gas enriching apparatus are connected through a screw thread setting, the gas enriching apparatus is internally provided with the solid absorbent of choked flow pollutant, the gas outlet of the gas enriching apparatus and the air inlet of air extraction structure are connected through a screw thread setting, and the air extraction structure bottom is provided with gas outlet；By the pollutant load being enriched on the pumping of air extraction structure certain time and gas enriching apparatus, the concentration in sampling of the pollutant can be evaluated whether；A kind of gas sampling device of the utility model, reasonable in design, easy to use, setting and the biggish gas-collecting structure of gas-contact area keep gas sample more representative；By the way that gas enriching apparatus is arranged, the convenient enrichment to pollutant is adsorbed, is conducive to gas sample.
Description
Technical field
The utility model relates to a kind of air detection field more particularly to a kind of gas sampling devices.
Background technique
With the development and the improvement of people's living standards of industrial enterprise, the discharge amount of industrial waste gas and life exhaust gas is more next
It is more.In order to protect the health of people, need to be monitored surrounding air, just corresponding safeguard measure can be taken.Gas
Body sampler is one of necessary component of air monitering equipment, and current gas sampling device gas sample efficiency is lower, institute
The gaseous sample of acquisition is without representativeness, and the problems such as gas sampling device operation easy to carry.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the utility model provides a kind of gas sampling device,
The sampler sampling efficiency is high, and sampling is convenient, and easy to carry.
Technical solution: to achieve the above object, a kind of gas sampling device of the utility model, include gas-collecting structure,
Gas enriching apparatus and air extraction structure；The gas outlet of the gas-collecting structure and the air inlet of gas enriching apparatus are connected through a screw thread
Setting, the gas enriching apparatus are internally provided with the solid absorbent of choked flow pollutant, the outlet of the gas enriching apparatus
The air inlet of mouth and air extraction structure is connected through a screw thread setting, and the air extraction structure bottom is provided with gas outlet；
The gas-collecting structure is in umbrella cover shape structure setting, and the gas-collecting structure is provided with hollow cavity, and gas-collecting structure surface
Be provided with the extraneous air inlet with hollow cavity of connection, the air inlet is uniformly set at gas-collecting structure upper surface, it is described in
Crocus cloth is set on cavity inner wall, and the gas-collecting structure bottom is provided with the extraneous gas outlet with hollow cavity；Gas-collecting structure is in umbrella
Planar setting is the range in order to increase gas-collecting structure air inlet, keeps collected gaseous sample more representative.
Further, the gas enriching apparatus is detachably arranged；The enriching apparatus is internally provided with tapered structure
Enrichment chamber, it is described enrichment chamber inlet end be pyramidal structure bore small end, it is described enrichment chamber outlet side be taper knot
For the bore of structure compared with big end, the enrichment is intracavitary to be disposed with the first filter screen, solid absorbent and the second mistake along airintake direction
Strainer, the aperture of the aperture of first filter screen less than the second filter screen；Second filter screen is gas permeable polymer film；It is logical
The pollutant for crossing the required test in fixed absorbent adsorbed gas, the air for being free from pollutant are gone over from the second filter screen.
Further, the solid absorbent is the inert porous particulate object that surface is coated with high boiling organic solvent, described
High boiling organic solvent is glycerol, and the inert porous particulate object is alumina silicate.
It further, further include having pedestal, the pedestal setting in a circular table shape, the air extraction structure is set on the base；
It include axial flow blower inside the air extraction structure, the gas outlet of the air extraction structure is arranged under axial flow blower outlet side
Side；The axial flow blower is set on the base by support column support；Mobile power source, the mobile electricity are provided on the pedestal
Source and axial flow blower are electrically connected；Pedestal plays the supporting role to whole device, by mobile power source as axial flow blower
The electric energy of work has ensured that the gas sampling device can collect gas pollutant anywhere or anytime, has substantially increased sampling
Convenience.
The utility model has the advantages that a kind of gas sampling device of the utility model, reasonable in design, easy to use, setting and gas
The biggish gas-collecting structure of contact level product, keeps gas sample more representative；It is convenient to dirt by the way that gas enriching apparatus is arranged
The enrichment absorption for contaminating object, is conducive to gas sample.
Detailed description of the invention
Attached drawing 1 is the positive structure diagram of the utility model；
Attached drawing 2 is the schematic cross-sectional view of the utility model；
Attached drawing 3 is the gas enriching apparatus schematic diagram of internal structure of the utility model.
Specific embodiment
The utility model is further described with reference to the accompanying drawing.
Such as attached drawing 1~3, a kind of gas sampling device includes gas-collecting structure 1, gas enriching apparatus 2 and air extraction structure 3；
The gas outlet of the gas-collecting structure 1 and the air inlet of gas enriching apparatus 2 are connected through a screw thread setting, the gas enriching apparatus
2 are internally provided with the solid absorbent 212 of choked flow pollutant, the gas outlet of the gas enriching apparatus 2 and air extraction structure 3 into
Port is connected through a screw thread setting, and 3 bottom of air extraction structure is provided with gas outlet, passes through the pumping of 3 certain time of air extraction structure
The pollutant load being enriched on gas and gas enriching apparatus 2 can be evaluated whether the concentration in sampling of the pollutant；
The gas-collecting structure 1 is in umbrella cover shape structure setting, increases the contact area of gas-collecting structure 1 and gas, makes to collect
Gaseous sample it is more representative, the gas-collecting structure 1 is provided with hollow cavity 11, and 1 surface of gas-collecting structure is provided with connection
The extraneous air inlet with hollow cavity 11, the air inlet are uniformly set at 1 upper surface of gas-collecting structure, in the hollow cavity 11
Crocus cloth is set on wall, and crocus cloth is that the impurity of bulky grain in order to prevent enters in sampler, and 1 bottom of gas-collecting structure is set
It is equipped with the extraneous gas outlet with hollow cavity 11.
The detachably setting of gas enriching apparatus 2, convenient for extracting the pollutant on solid absorbent 212；The enrichment
Device 2 is internally provided with the enrichment chamber 21 of tapered structure, and the inlet end of the enrichment chamber 21 is that the bore of pyramidal structure is smaller
End, the outlet side of the enrichment chamber 21 are the bore of pyramidal structure compared with big end, are enriched with chamber 21 along the space of airflow direction increasingly
It is more, so can reduce by the gas concentration that unit is enriched with chamber 21, be thus increasingly conducive to 212 pairs of solid absorbent pollutions
The absorption of object；The first filter screen 211, solid absorbent 212 and second are disposed with along airintake direction in the enrichment chamber 21
Filter screen 213, the aperture of the aperture of first filter screen 211 less than the second filter screen 213；Second filter screen 213 is
Gas permeable polymer film, gas permeable polymer film are in order to which the pollutant ensured in gas will not enter in air extraction structure 3, to make to take
Sample is more acurrate.
When sampling, gas passes through solid absorbent 212, and some of the contaminants in gas can be retained in solid absorbent 212
It is above enriched with, the solid absorbent 212 is the inert porous particulate object that surface is coated with high boiling organic solvent, described high boiling
Point organic solvent be glycerol, the inert porous particulate object be alumina silicate, can in air six six six, dieldrite, DDT,
The pollutants detentions such as Polychlorinated biphenyls (PCB) enrichment；After enrichment, adsorbate, analysis measurement are dissolved out with methanol.
It further include having pedestal 4, the pedestal 4 setting in a circular table shape, the air extraction structure 3 is arranged on pedestal 4；The pumping
It include axial flow blower 31 inside depressed structure 3, the gas outlet of the air extraction structure 3 is arranged under 31 outlet side of axial flow blower
Side；The axial flow blower 31 is arranged on pedestal 4 by support column support；Mobile power source, the shifting are provided on the pedestal 4
Dynamic power supply and axial flow blower 31 are electrically connected；Pedestal 4 plays the supporting role to whole device, by mobile power source as axis
The electric energy that flow fan 31 works, has ensured that the gas sampling device can collect gas pollutant anywhere or anytime, has greatly improved
The convenience of gas sample.
The above is only the preferred embodiment of the utility model, it should be pointed out that: for the common skill of the art
For art personnel, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications
Also it should be regarded as the protection scope of the utility model.
Claims (4)
1. a kind of gas sampling device, it is characterised in that: include gas-collecting structure (1), gas enriching apparatus (2) and air extraction structure
(3)；The gas outlet of the gas-collecting structure (1) and the air inlet of gas enriching apparatus (2) are connected through a screw thread setting, the gas
Enriching apparatus (2) is internally provided with the solid absorbent (212) of choked flow pollutant, the gas outlet of the gas enriching apparatus (2)
It is connected through a screw thread setting with the air inlet of air extraction structure (3), air extraction structure (3) bottom is provided with gas outlet；
The gas-collecting structure (1) is in umbrella cover shape structure setting, and the gas-collecting structure (1) is provided with hollow cavity (11), and is collected depressed
Structure (1) surface is provided with the extraneous air inlet with hollow cavity (11) of connection, and the air inlet is uniformly set at gas-collecting structure
(1) upper surface, is arranged crocus cloth on hollow cavity (11) inner wall, gas-collecting structure (1) bottom be provided with it is extraneous with it is hollow
The gas outlet of chamber (11).
2. a kind of gas sampling device according to claim 1, it is characterised in that: the gas enriching apparatus (2) is removable
Unload setting；The enriching apparatus (2) is internally provided with the enrichment chamber (21) of tapered structure, the inlet end of enrichment chamber (21)
For the bore small end of pyramidal structure, the outlet side of enrichment chamber (21) is the bore of pyramidal structure compared with big end, the enrichment
It is disposed with the first filter screen (211), solid absorbent (212) and the second filter screen (213) along airintake direction in chamber (21),
Aperture of the aperture of first filter screen (211) less than the second filter screen (213)；Second filter screen (213) is high score
Sub- ventilated membrane.
3. a kind of gas sampling device according to claim 2, it is characterised in that: the solid absorbent (212) is table
Face is coated with the inert porous particulate object of high boiling organic solvent, and the high boiling organic solvent is glycerol, porous of the inertia
Grain object is alumina silicate.
4. a kind of gas sampling device according to claim 1, it is characterised in that: further include having pedestal (4), the pedestal
(4) setting in a circular table shape, the air extraction structure (3) are arranged on pedestal (4)；It includes axis stream that the air extraction structure (3) is internal
The gas outlet of blower (31), the air extraction structure (3) is arranged in the lower section of axial flow blower (31) outlet side；The axial flow blower
(31) it is arranged on pedestal (4) by support column support；Be provided with mobile power source on the pedestal (4), the mobile power source with
Axial flow blower (31) is electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821308968.0U CN208751928U (en) | 2018-08-15 | 2018-08-15 | A kind of gas sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821308968.0U CN208751928U (en) | 2018-08-15 | 2018-08-15 | A kind of gas sampling device |
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| Publication Number | Publication Date |
|---|---|
| CN208751928U true CN208751928U (en) | 2019-04-16 |
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ID=66080260
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821308968.0U Active CN208751928U (en) | 2018-08-15 | 2018-08-15 | A kind of gas sampling device |
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| Country | Link |
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| CN (1) | CN208751928U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110006710A (en) * | 2019-04-18 | 2019-07-12 | 安徽科技学院 | A kind of Biomass Burning Particles acquisition device |
| CN110346188A (en) * | 2019-08-02 | 2019-10-18 | 长江存储科技有限责任公司 | Gas pollutant sampler for integrated circuit |
| CN111239343A (en) * | 2020-02-20 | 2020-06-05 | 北京泰峰科仪技术有限公司 | Gas acquisition and measurement device |
-
2018
- 2018-08-15 CN CN201821308968.0U patent/CN208751928U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110006710A (en) * | 2019-04-18 | 2019-07-12 | 安徽科技学院 | A kind of Biomass Burning Particles acquisition device |
| CN110006710B (en) * | 2019-04-18 | 2021-08-31 | 安徽科技学院 | Biomass combustion particulate matter collection device |
| CN110346188A (en) * | 2019-08-02 | 2019-10-18 | 长江存储科技有限责任公司 | Gas pollutant sampler for integrated circuit |
| CN111239343A (en) * | 2020-02-20 | 2020-06-05 | 北京泰峰科仪技术有限公司 | Gas acquisition and measurement device |
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